black saltwort vs Glaux maritima

black saltwort and Glaux maritima both are nouns.

Word	Noun	Adjective	Verb	Adverb
black saltwort	Yes	No	No	No
Glaux maritima	Yes	No	No	No

As nouns, black saltwort and Glaux maritima are synonyms defined as:

black saltwort and Glaux maritima: a small fleshy herb common along North American seashores and in brackish marshes having pink or white flowers

Other synonyms of black saltwort include sea milkwort, sea trifoly.

black saltwort (noun)	Glaux maritima (noun)
a small fleshy herb common along North American seashores and in brackish marshes having pink or white flowers	a small fleshy herb common along North American seashores and in brackish marshes having pink or white flowers